2157298 has 32 divisors (see below), whose sum is σ = 4011840. Its totient is φ = 855360.

The previous prime is 2157293. The next prime is 2157301. The reversal of 2157298 is 8927512.

2157298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁶ + 1 + 5⁴ + 7³ + 2²¹ + 9⁵ + 8² .

It is not an unprimeable number, because it can be changed into a prime (2157293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5236 + ... + 5632.

It is an arithmetic number, because the mean of its divisors is an integer number (125370).

2^2157298 is an apocalyptic number.

2157298 is a deficient number, since it is larger than the sum of its proper divisors (1854542).

2157298 is a wasteful number, since it uses less digits than its factorization.

2157298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its digits is 10080, while the sum is 34.

The square root of 2157298 is about 1468.7743189476. The cubic root of 2157298 is about 129.2121581468.

The spelling of 2157298 in words is "two million, one hundred fifty-seven thousand, two hundred ninety-eight".